Decade - Wikipedia A decade (from Ancient Greek: δεκάς, dekas, lit 'group of 10') is a period of ten years It may also be called a decennium (from Latin: decennium, lit 'ten-year') Decades may describe any ten-year period, such as those of a person's life, or refer to specific groupings of calendar years
How Long Is a Decade and How to Calculate It - Calendarr Farmer's Almanac and The US Naval Observatory have established that a decade begins with the year ending in 1 and ends with the year ending with zero For example, the current decade started with 2021 and will end with 2030
Decade - Definition, Meaning Synonyms | Vocabulary. com She was so nervous to see her high school sweetheart at their reunion: it had been a decade (ten years) since she'd seen him at graduation, and she still got butterflies thinking about him